Remove ScopedVector from ios/.

ios/chrome/browser/ui/webui/ntp_tiles_internals_ui.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ios/chrome/browser/ui/webui/ntp_tiles_internals_ui.h"
 
+#include "base/memory/ptr_util.h"
 #include "components/grit/components_resources.h"
 #include "components/ntp_tiles/field_trial.h"
 #include "components/ntp_tiles/most_visited_sites.h"
 #include "components/ntp_tiles/popular_sites.h"
 #include "components/ntp_tiles/webui/ntp_tiles_internals_message_handler.h"
 #include "components/ntp_tiles/webui/ntp_tiles_internals_message_handler_client.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
 #include "ios/chrome/browser/ntp_tiles/ios_most_visited_sites_factory.h"
 #include "ios/chrome/browser/ntp_tiles/ios_popular_sites_factory.h"
@@ skipping 88 matching lines @@
   source->AddResourcePath("ntp_tiles_internals.css",
                           IDR_NTP_TILES_INTERNALS_CSS);
   source->SetDefaultResource(IDR_NTP_TILES_INTERNALS_HTML);
   return source;
 }
 
 NTPTilesInternalsUI::NTPTilesInternalsUI(web::WebUIIOS* web_ui)
     : web::WebUIIOSController(web_ui) {
   web::WebUIIOSDataSource::Add(ios::ChromeBrowserState::FromWebUIIOS(web_ui),
                                CreateNTPTilesInternalsHTMLSource());
-  web_ui->AddMessageHandler(new IOSNTPTilesInternalsMessageHandlerBridge);
+  web_ui->AddMessageHandler(
+      base::MakeUnique<IOSNTPTilesInternalsMessageHandlerBridge>());
 }
 
 NTPTilesInternalsUI::~NTPTilesInternalsUI() {}